diff --git a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
index 0d5a5ca5..c05f776a 100644
--- a/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
+++ b/hw4_grader_stuff/hw4_rottenpotatoes/Gemfile.lock
@@ -37,7 +37,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (6.0.3)
     autotest (4.4.6)
       ZenTest (>= 4.4.1)
@@ -115,6 +116,7 @@ GEM
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
     pg (0.18.2)
+    public_suffix (4.0.6)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)